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Finding the Fourth Proportional to 94,850.36, 130,891.90 and 51,828.90

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Solution

The fourth proportional to 94,850.36, 130,891.90 and 51,828.90 is: 71,523.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,850.36 : 130,891.90 = 51,828.90 : x
  2. Step 2: Convert to fraction form
    94,850.36/130,891.90 = 51,828.90/x
  3. Step 3: Cross multiply
    94,850.36x = 130,891.90 × 51,828.90
  4. Step 4: Simplify right side
    94,850.36x = 6,783,983,195.91
  5. Step 5: Solve for x
    x = 6,783,983,195.91/94,850.36
  6. Step 6: Final answer
    x = 71,523.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.